Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A cemetery for only coon hounds in northwest Alabama.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The Cadillac Ranch for monster truck aficionados.

Exact replica of the ancient monument, but much, much lighter.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

A fitting attraction for the corn capital of the world.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The narrowest house in America is seven feet of pure spite.

A former major munitions plant that has been converted into a sprawling art space.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

This museum offers an actual time machine back through Colorado's past.

A collection of artifacts from Maryland's maritime past.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

A hidden alley in urban Baltimore is a haven for graffiti artists.

An eerie, decaying ghost town destined to fade into the forest.

America's first public mental health facility.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.